Fish tank



FIG. 1 is a top perspective view of the fish tank showing our newdesign;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top perspective view of our new design showing the feedingdoor in an open position for the fish tank illustrated in FIG. 1.

CLAIM The ornamental design for a fish tank, as shown and described.